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Differential Ring and Pinion for 1972-1977 Pontiac Ventura
InfoVehicle Info Needed
EXCELPART NUMBER: 857-GM75390TK

Differential Ring and Pinion for 1972-1977 Pontiac Ventura

$23599
ShippingShips on 11/03/2026
Lowest PriceLowest Price Guarantee

Differential Ring and Pinion
  • 1972-1977 Pontiac Ventura
  • 3.90 Gear Ratio with 39-Tooth Ring Gear
  • 8620 Steel Ring and Pinion Construction
  • 27-Spline Pinion Shaft, 1.438 in. Diameter

    This differential ring and pinion is manufactured to OEM specifications for 1972-1977 Pontiac Ventura and other listed applications, restoring correct drivetrain fit and function.

    Differential Ring and Pinion Specifications:

    • 1972-1977 Pontiac Ventura
    • 3.90 Gear Ratio with 39-Tooth Ring Gear
    • 8620 Steel Ring and Pinion Construction
    • 27-Spline Pinion Shaft, 1.438 in. Diameter
    • Part TypeRing and Pinion
    BrandEXCEL
    Package Height5.25
    Package Width11.0
    Package Length15.0
    Weight14.15 PG
    Part CategoryReplacement Parts
    Ring Gear RotationStandard
    Ring Gear Tooth Quantity39
    Differential Case Design TypeGM 7.5, GM 7.6 IFS, GM 7.625
    PositionFront, Rear
    Differential Carrier Break3.08 Ratio and Lower
    Cover Bolt Quantity10
    Pinion Spline Count27
    Ring Gear Material8620 Steel
    Ring Gear Outside Diameter7.5 in.
    Pinion Shaft Diameter1.438 in.
    Pinion Gear Tooth Quantity10
    Gear Ratio3.90
    Ring Gear Bolt Quantity10
    Part FitmentDirect Fit
    Mounting LocationRear
    ApplicationGM 7.6 IFS
    Vendor Part NumberGM75390TK
    Package Qty1
    Package TypeEA
    Please click here to download the instructions PDF file

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